22030646 has 16 divisors (see below), whose sum is σ = 37214208. Its totient is φ = 9690600.

The previous prime is 22030637. The next prime is 22030649. The reversal of 22030646 is 64603022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15470 + ... + 16833.

It is an arithmetic number, because the mean of its divisors is an integer number (2325888).

Almost surely, 2^22030646 is an apocalyptic number.

22030646 is a deficient number, since it is larger than the sum of its proper divisors (15183562).

22030646 is a wasteful number, since it uses less digits than its factorization.

22030646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32347.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 22030646 is about 4693.6814975028. The cubic root of 22030646 is about 280.3339807250. Note that the first 3 decimals are identical.

Adding to 22030646 its reverse (64603022), we get a palindrome (86633668).

The spelling of 22030646 in words is "twenty-two million, thirty thousand, six hundred forty-six".